A guide to combatting human-operated ransomware: Part 2

This blog is part two of a two-part series focused on how Microsoft DART helps customers with human-operated ransomware. For more guidance on human-operated ransomware and how to defend against these extortion-based attacks, refer to our human-operated ransomware docs page. In part one of this bl...

Forrester names Microsoft a Leader in the 2021 Enterprise Email Security Wave

Today, organizations face an evolving threat landscape and an exponentially increasing attack surface. Email represents the primary attack vector for cybercrime, and security teams are in search of efficient and cost-effective means to minimize the risk of these threats and the impact they have o...

It’s Cybersecurity Awareness Month and there is still a lot to do

October is National Cyber Security Awareness Month NCSAM. And there is still a lot to do! For the last 17 years, the National Cybersecurity Awareness Month NCSAM campaign, driven by the Department of Homeland Security, has raised awareness about the importance of cyber security across the Nation...

Industry-wide partnership on threat-informed defense improves security for all

MITRE Engenuity’s Center for Threat-Informed Defense has published a library of detailed plans for emulating the threat actor FIN6 which Microsoft tracks as TAAL, a collection of threat intelligence, MITRE ATT&CK data, supporting scripts, and utilities designed to enable red teams to emulate the...

Microsoft Security: Use baseline default tools to accelerate your security career

I wrote a series of blogs last year on how gamified learning through cyber ranges can create more realistic and impactful cybersecurity learning experiences and help attract tomorrow’s security workforce. With the global talent shortage in this field, we need to work harder to bring people into t...

CISO Stressbusters: Post #4: 4 tips for running a highly effective security operation

Rebecca Wynn, Global CISO & Chief Privacy Officer CISO of 247.ai , shares her advice for relieving stress in today’s CISO Stressbuster post. In many organizations, CISO is held accountable for security breaches, yet they don’t have control over all the decisions and systems that impact cyber risk...

Protecting your remote workforce from application-based attacks like consent phishing

The global pandemic has dramatically shifted how people work. As a result, organizations around the world have scaled up cloud services to support collaboration and productivity from home. We’re also seeing more apps leverage Microsoft’s identity platform to ensure seamless access and integrated...

Microsoft continues to extend security for all with mobile protection for Android

Just a year ago, we shared our first steps on a journey to enable our customers to protect endpoints running a variety of platforms with our announcement of Microsoft Defender ATP for Mac. Knowing that each of our customers have unique environments and unique needs and are looking for more...

Barracuda and Microsoft: Removing security barriers to faster public cloud adoption

Barracuda’s CloudGen Firewall is tightly integrated with Microsoft Azure Virtual WAN, Azure Active Directory Azure AD, Azure Security Center, and Azure Sentinel. Integrated into Azure, Barracuda’s networking and security capabilities enable customers’ secure infrastructure migrations and the use ...

Managing risk in today’s IoT landscape: not a one-and-done

The reality of securing IoT over time It’s difficult to imagine any aspect of everyday life that isn’t affected by the influence of connectivity. The number of businesses that are using IoT is growing at a fast pace. By 2021, approximately 94 percent of businesses will be using IoT. Connectivity...

Norsk Hydro responds to ransomware attack with transparency

Last March, aluminum supplier Norsk Hydro was attacked by LockerGoga, a form of ransomware. The attack began with an infected email and locked the files on thousands of servers and PCs. All 35,000 Norsk Hydro employees across 40 countries were affected. In the throes of this crisis, executives ma...

#AVGater vulnerability does not affect Windows Defender Antivirus, MSE, or SCEP

On November 10, 2017, a vulnerability called AVGater was discovered affecting some antivirus products. The vulnerability requires a non-administrator-level account to perform a restore of a quarantined file. Windows Defender Antivirus and other Microsoft antimalware products, including System...

Defending SaaS-based applications against ShinyHunters OAuth abuse

In this article 1. Attack chain overview 2. Improving visibility into Salesforce OAuth abuse 3. Mitigation and protection guidance 4. Learn more In a series of campaigns observed between mid-2025 and mid-2026, Microsoft identified threat actor activity with overlapping tradecraft commonly...

One intrusion, two cyberattackers: Uncovering parallel threat activity

What began as a routine ransomware investigation quickly revealed something far more complex. In this ninth cyberattack series report, DART details how a single intrusion uncovered parallel activity from two unrelated threat actors operating simultaneously—blending tactics, obscuring signals, and...

AI brands as bait: How threat actors are using the AI hype in social engineering

In this article 1. ChatGPT-themed lure leads to phishing kit collecting credit card data 2. Claude-themed phishing campaign collected credentials and access tokens 3. "Awesome AI Windows Plugin” malvertising deploys Vidar stealer 4. Fake DeepSeek V4 installers on GitHub delivered Vidar Stealer 5...

Active attack: Dirty Frag Linux vulnerability expands post-compromise risk

In this article 1. Why Dirty Frag matters 2. Technical overview 3. Exploitation scenarios 4. Mitigation guidance 5. Post-mitigation integrity verification 6. References A newly disclosed Linux local privilege escalation vulnerability known as “Dirty Frag” enables escalation from an unprivileged...

The agentic SOC—Rethinking SecOps for the next decade

Every major shift in cyberattacker behavior over the past decade has followed a meaningful shift in how defenders operate. When security operation centers SOCs deployed endpoint detection and response EDR—and later extended detection and response XDR—security teams raised the bar, pushing...

Shai-Hulud 2.0: Guidance for detecting, investigating, and defending against the supply chain attack

The Shai‑Hulud 2.0 supply chain attack represents one of the most significant cloud-native ecosystem compromises observed recently. Attackers maliciously modified hundreds of publicly available packages, targeting developer environments, continuous integration and continuous delivery CI/CD...

How to deploy AI safely

In this blog you will hear directly from Corporate Vice President and Deputy Chief Information Security Officer CISO for AI, Yonatan Zunger, about how to build a plan to deploy AI safely. This blog is part of a new ongoing series where our Deputy CISOs share their thoughts on what is most importa...

6 insights from Microsoft’s 2024 state of multicloud risk report to evolve your security strategy

Multicloud computing has become the foundation for digital businesses, with 86% of organizations having already adopted a multicloud approach.1 However, for all its benefits around increased agility, flexibility, and choice, we also see unique challenges with multicloud—including the need to mana...

Microsoft is again named a Leader in the 2024 Gartner® Magic Quadrant™ for Security Information and Event Management​​

We are pleased to announce that Microsoft has been recognized as a Leader in the Gartner® Magic Quadrant™ for Security Information and Event Management SIEM.1 We believe our position in the Leaders quadrant validates our vision and continued investments in Microsoft Sentinel making it a...

Security above all else—expanding Microsoft’s Secure Future Initiative

Last November, we launched the Secure Future Initiative SFI to prepare for the increasing scale and high stakes of cyberattacks. SFI brings together every part of Microsoft to advance cybersecurity protection across our company and products. Since then, the threat landscape has continued to rapid...

Navigating privacy in a data-driven world with Microsoft Priva

Data protection and privacy have become business imperatives. In a global survey conducted by Microsoft and leaders in the academic privacy space, 90 percent of respondents said they would not buy from an organization that does not properly protect its data.1 More than ever, people have a high...

Why a proactive detection and incident response plan is crucial for your organization

The security community is continuously changing, growing, and learning from each other to better position the world against cyberthreats. In the latest post of our Community Voices blog series, Microsoft Security Senior Product Marketing Manager Brooke Lynn Weenig talks with Matt Suiche, Director...

Why you should practice rollbacks to prevent data loss in a ransomware attack

The security community is continuously changing, growing, and learning from each other to better position the world against cyberthreats. In the latest post of our Community Voices blog series, Microsoft Security Senior Product Marketing Manager Brooke Lynn Weenig talks with Tanya Janca, Founder...

Stay compliant and protect sensitive data with Zero Trust security

Regulatory standards frequently shift and tighten, especially with the rise of hybrid work environments. And with the explosion of data growth, organizations have seen a massive uptick in cybersecurity issues and needs. According to IBM’s 2022 Cost of a Data Breach Report, 83 percent of...

Join us at Microsoft Secure to discover the latest security solutions

Microsoft Secure is our first flagship event designed just for security professionals. On March 28, 2023, we will bring together security professionals from around the world to explore security information and event management SIEM and extended detection and response XDR, threat intelligence, AI,...

International Women’s Day: The power of diversity to build stronger cybersecurity teams

Women’s History Month is a special time for me as I reflect on all the great innovations women have made over the years. Women have driven technology forward throughout history. Notable women in cybersecurity like cryptologists Agnes Meyer Driscoll and Genevieve Grotjan Feinstein worked behind th...

Learn what an AI-driven future means for cybersecurity at Microsoft Secure

Maintaining security across today’s vast digital ecosystem is a team effort. AI and machine learning have helped to detect threats quickly and respond effectively. Yet we all know that the best defense still requires human wisdom and experience. From a frontline security operations admin to the...

Cyber Signals: Risks to critical infrastructure on the rise

Today, the third edition of Cyber Signals was released spotlighting security trends and insights gathered from Microsoft’s 43 trillion daily security signals and 8,500 security experts. In this edition, we share new insights on wider risks that converging IT, Internet of Things IoT, and operation...

DEV-0139 launches targeted attacks against the cryptocurrency industry

Over the past several years, the cryptocurrency market has considerably expanded, gaining the interest of investors and threat actors. Cryptocurrency itself has been used by cybercriminals for their operations, notably for ransom payment in ransomware attacks, but we have also observed threat...

Discover Microsoft Security solutions for SLTT government grant readiness

As part of the Bipartisan Infrastructure Law, also known as the Infrastructure Investment and Jobs Act of 2021, the United States federal government announced a cybersecurity grant program for state, local, territorial, and tribal SLTT governments to fund allocation of USD1 billion over the next...

How one product manager builds community at Microsoft Security

I first met Joey Cruz not long after he joined the Microsoft Identity and Network Access IDNA team when he helped create demos for a keynote speech I was delivering. Joey has a way of making you feel that even if something goes sideways, it will all be okay because he will make sure it is. As...

Microsoft recognized as a Leader in the 2022 Gartner® Magic Quadrant™ for Unified Endpoint Management Tools

This month, Microsoft has been recognized by Gartner® as a Leader in the 2022 Magic Quadrant for Unified Endpoint Management UEM Tools. This blog post outlines the “so what” for IT leaders, and why we believe this Gartner analysis deserves your focus right now. As you see in the Magic Quadrant in...

Cyber Signals: Defend against the new ransomware landscape

Today, Microsoft is excited to publish our second edition of Cyber Signals, spotlighting security trends and insights gathered from Microsoft’s 43 trillion security signals and 8,500 security experts. In this edition, we pull back the curtain on the evolving cybercrime economy and the rise of...

Hive ransomware gets upgrades in Rust

Hive ransomware is only about one year old, having been first observed in June 2021, but it has grown into one of the most prevalent ransomware payloads in the ransomware-as-a-service RaaS ecosystem. With its latest variant carrying several major upgrades, Hive also proves it’s one of the fastest...

In hot pursuit of ‘cryware’: Defending hot wallets from attacks

The steep rise in cryptocurrency market capitalization, not surprisingly, mirrors a marked increase in threats and attacks that target or leverage cryptocurrencies. But Microsoft researchers are observing an even more interesting trend: the evolution of related malware and their techniques, and t...

Microsoft CRSP shares the ways human behavior affects compromise recovery

The Microsoft Compromise Recover Security Practice CRSP is a worldwide team of cybersecurity experts operating in most countries, across all organizations public and private, with deep expertise to secure an environment post-security breach and to help you prevent a breach in the first place. As ...

A Leader in multiple Zero Trust security categories: Industry analysts weigh in

The massive shift toward remote and hybrid work over the last two years has prompted many security professionals to reassess where siloed security may create vulnerabilities.1 For that reason, Zero Trust has become the gold standard for enterprise security. An effective Zero Trust approach requir...

How Microsoft can help reduce insider risk during the Great Reshuffle

These are exciting and demanding days for organizations adapting to hybrid work realities, including a wider distributed workforce and more rapid change in employee roles. Organizations are becoming more agile as they refocus on employee onboarding and empowerment, opportunities with third-party...

The federal Zero Trust strategy and Microsoft’s deployment guidance for all

You’d be forgiven for missing the White House announcement on federal Zero Trust strategy on January 26, 2022.1 After all, on that day alone a Supreme Court Justice announced his intention to retire, the Federal Reserve announced its plan to raise interest rates, and the State Department was busy...

NICKEL targeting government organizations across Latin America and Europe

The Microsoft Threat Intelligence Center MSTIC has observed NICKEL, a China-based threat actor, targeting governments, diplomatic entities, and non-governmental organizations NGOs across Central and South America, the Caribbean, Europe, and North America. MSTIC has been tracking NICKEL since 2016...

How Red Canary and Microsoft can help reduce your alert fatigue

This blog post is part of the Microsoft Intelligent Security Association guest blog series. Learn more about MISA. Security alert fatigue Organizations often feel overwhelmed by the number of security alerts they receive. Frustrated by alert fatigue, these organizations want a deeper understandin...

What we like about Microsoft Defender for Endpoint

This blog post is part of the Microsoft Intelligent Security Association guest blog series. Learn more about MISA. It’s no secret that the security industry generally likes Microsoft Defender for Endpoint. After a few months of using and integrating it with our platform here at Expel, we feel the...

Microsoft Azure Active Directory again a “Leader” in Gartner Magic Quadrant for Access Management

Howdy folks, I’m proud to announce that for the fourth year in a row, Microsoft Azure Active Directory Azure AD has been recognized as a “Leader” in Gartner Magic Quadrant for Access Management, Worldwide. Earlier this year, my boss, Joy Chik, CVP of Identity Engineering shared Microsoft’s guidin...

Back to the future: What the Jericho Forum taught us about modern security

Some of the earliest formal work on what we now call Zero Trust started around in a security consortium known as the Jericho Forum which later merged into The Open Group Security Forum. This started as a group of like-minded CISOs wrestling with the limitations of the dominant and unquestioned...

Microsoft Security: 6 tips for enabling people-centric cybersecurity with security training

Everyone knows about phishing scams, and most of us think we’re too smart to take the bait. Our confidence often reaches superhero levels when we’re logged onto a company network. As Chief Security Advisor for Microsoft, and previously at telco Swisscom, it’s my business to understand how well...

Vectra and Microsoft join forces to step up detection and response

This blog post is part of the Microsoft Intelligent Security Association MISA guest blog series. Click here to learn more about MISA. Traditional security operations center SOC processes typically involve a wide variety of disparate event notification tools that force overworked analysts to battl...

Microsoft Security: What cybersecurity skills do I need to become a CISO?

Build the business skills you need to advance to Chief Information Security Officer For many cybersecurity professionals, the ultimate career goal is to land a chief information security officer CISO job. A CISO is an executive-level position responsible for cyber risk management and operations...

How to detect and mitigate phishing risks with Microsoft and Terranova Security

Detect, assess, and remediate phishing risks across your organization A successful phishing attack requires just one person to take the bait. That’s why so many organizations fall victim to these cyber threats. To reduce this human risk, you need a combination of smart technology and people-centr...